( \frac{2 \cdot 5}{3 \cdot 6} = \frac{10}{18} = \frac{5}{9} )
( \frac{2 \cdot 7}{9 \cdot 4} = \frac{14}{36} = \frac{7}{18} )
( \frac{3 \cdot 5}{20 \cdot 2} = \frac{15}{40} = \frac{3}{8} )
( \frac{4 \cdot 3}{9 \cdot 7} = \frac{12}{63} = \frac{4}{21} )
( \frac{10 \cdot 3}{23 \cdot 10} = \frac{30}{230} = \frac{3}{23} )
( \frac{10 \cdot 2}{21 \cdot 30} = \frac{20}{630} = \frac{2}{63} )
( \frac{4 \cdot 5}{15 \cdot 16} = \frac{20}{240} = \frac{1}{12} )
( \frac{8 \cdot 9}{27 \cdot 16} = \frac{72}{432} = \frac{3}{18} = \frac{1}{6} )
( \frac{2 \cdot 5}{3 \cdot 6} = \frac{10}{18} = \frac{5}{9} )
( \frac{2 \cdot 7}{9 \cdot 4} = \frac{14}{36} = \frac{7}{18} )
( \frac{3 \cdot 5}{20 \cdot 2} = \frac{15}{40} = \frac{3}{8} )
( \frac{4 \cdot 3}{9 \cdot 7} = \frac{12}{63} = \frac{4}{21} )
( \frac{10 \cdot 3}{23 \cdot 10} = \frac{30}{230} = \frac{3}{23} )
( \frac{10 \cdot 2}{21 \cdot 30} = \frac{20}{630} = \frac{2}{63} )
( \frac{4 \cdot 5}{15 \cdot 16} = \frac{20}{240} = \frac{1}{12} )
( \frac{8 \cdot 9}{27 \cdot 16} = \frac{72}{432} = \frac{3}{18} = \frac{1}{6} )